<?php
/**
 * UserIdentity represents the data needed to identity a user.
 * It contains the authentication method that checks if the provided
 * data can identify the user.
 */
class UserIdentity extends CUserIdentity
{
	private $_id;
	/**
	* Authenticates a user using the User data model.
	* @return boolean whether authentication succeeds.
	*/
	public function authenticate()
	{
		$user=User::model()->findByAttributes(array('username'=>$this->username));
		if($user===null)
		{
			$this->errorCode=self::ERROR_USERNAME_INVALID;
		}
        else 
		{
			if($user->password!==$user->encrypt($this->password) || $user->is_deleted != 0)
			{
				$this->errorCode=self::ERROR_PASSWORD_INVALID;
			}

			else
			{
				$this->_id = $user->id;
				Yii::app()->user->setState('user_type_id',$user->user_type_id);
				Yii::app()->user->setState('fullname',$user->full_name);
				Yii::app()->user->setState('id',$user->id);
				$this->errorCode=self::ERROR_NONE;
			}
        }
        return !$this->errorCode;
    }
 
    public function getId()
    {
        return $this->_id;
    }
}